Mole fraction Samenvattingen, Aantekeningen en Examens

Gen Chem Equations to study for the ACS Exam 28 Questions with Verified Answers Rydberg Equation for Hydrogen - CORRECT ANSWER Speed of Light/Wavelength/Frequency Equation - CORRECT ANSWER Speed of Light (3 x 10^8) Energy of a Single Quantum - CORRECT ANSWER E = hv v = frequency (c/λ) h = Planck's Constant (6.26 x 10^-34) Photoelectric Effect Equation - CORRECT ANSWER hv = KE + W h = Planck's Constant (6.26 x 10^-34) W = binding energy of the electron Electrostatic E...

Final Certification for CHEM 1212 Exam 2 Q&A What is Molarity and the units for molarity? - CORRECT ANSWER-M=moles of solute/liters of solution, units are mol/liter What is Molality and the units for molality? - CORRECT ANSWER-m= moles of solute/moles of solvent, units are mol/kg What is Mass Percentage or Weight Percent and the units for mass percentage or weight percent? - CORRECT ANSWER-Mass %= (mass of solute/total mass of solution) x 100 What is Mole Fraction and the units for...

Interest correct answer: amount of money earned for the use of the borrowed capital; (borrower) amount of money paid for the capital; (lender) income generated by the capital which he lent Simple Interest correct answer: interest where only the original principal bears interest which varies directly with time Ordinary simple interest correct answer: computed on the basis of the banker's year 1 year = 12 mos. 1 mo. = 30 days 1 year = 360 days Exact Simple Interest correct answ...

STP - ️️0°C and 1 atm Ideal Gas Law - ️️PV = nRT At STP, 1 mol of gas will occupy ... - ️️22.4 L Characteristics of an Ideal Gas - ️️1. Gas molecules have zero volume 2. Gas molecules exert no forces other than repulsive forces due to collisions 3. Gas molecules make completely elastic collisions 4. The avg. kinetic energy of gas molecules is directly proportional to the temperature of the gas Partial pressure of a gas (equation) - ️️Partial pressure equals th...

STP - 0°C and 1 atm Ideal Gas Law - PV = nRT At STP, 1 mol of gas will occupy ... - 22.4 L Characteristics of an Ideal Gas - 1. Gas molecules have zero volume 2. Gas molecules exert no forces other than repulsive forces due to collisions 3. Gas molecules make completely elastic collisions 4. The avg. kinetic energy of gas molecules is directly proportional to the temperature of the gas Partial pressure of a gas (equation) - Partial pressure equals the mole fraction of the gas (number of ...

Chemical Engineering Thermodynamics Exam (2023) | Questions & Answers (Rated +) Chemical Engineering Thermodynamics Exam (2023) | Questions & Answers (Rated +) Maximum work that could be secured by expanding the gas over a given pressure range is the__________work. - ANSWER - isothermal Internal energy change of a system over one complete cycle in a cyclic process is - ANSWER - zero Heating of water under atmospheric pressure is an __________ process. - ANSWER - isobaric Van Laar eq...

Base Unitscorrect answerThe name of certain physical objects (Ex: meter, gram, second, temperature) Derived Unitscorrect answerDefined in terms of the base unit (Ex: volume, area, density, velocity) Mass fraction (wi)correct answerThe mass of this substance divided by the total mass Mole Fraction (Xi)correct answerthe moles of this substance divided by the total number of moles Average molecular weight (MW)correct answerTotal mass/Total moles or sum of each mole fraction x each molec...

Subscript - A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound Law of conservation of mass - mass is neither created nor destroyed during ordinary chemical reactions or physical changes Mole ratio - fraction formed from the coefficients in a balanced chemical equation. Avogadro's Number - number of representative particles in a mole, 6.02 X 10^23 Products - The elements or compounds produced by a chemical reaction. On the rig...

Final Certification for CHEM 1212 Exam 2 Q&A What is Molarity and the units for molarity? - CORRECT ANSWER-M=moles of solute/liters of solution, units are mol/liter What is Molality and the units for molality? - CORRECT ANSWER-m= moles of solute/moles of solvent, units are mol/kg What is Mass Percentage or Weight Percent and the units for mass percentage or weight percent? - CORRECT ANSWER-Mass %= (mass of solute/total mass of solution) x 100 What is Mole Fraction and the units for...